CN109726013B - Method and device for managing multiple LB (local area network) devices by LBaaS (local area service) - Google Patents
Method and device for managing multiple LB (local area network) devices by LBaaS (local area service) Download PDFInfo
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Abstract
The invention provides a method and a device for managing a plurality of LB equipment by LBaaS, wherein the method comprises the following steps: creating a resource pool, and storing load balancing configuration information set by a user; acquiring a device group identifier corresponding to a target LB device group selected by a user or automatically selected by the user, wherein the target LB device group comprises at least one LB device; searching attribute information of an LB device group corresponding to the device group identification in a database; and sending the attribute information and the load balancing configuration information to the target LB device group so as to enable the target LB device group to provide load balancing service. The invention can provide a plurality of LB equipment group resources for users to select, and sends corresponding configuration according to the target LB equipment group selected by the users, thereby realizing that one LBaaS manages a plurality of LB equipment at the same time, and further improving the practicability and stability of the system.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a device for managing a plurality of LB devices through LBaaS.
Background
The OpenStack is an open-source cloud computing management platform project and is used for providing a cloud computing management platform which is simple to implement, can be expanded in a large scale, is rich and has a unified standard. It provides an infrastructure as a service (IaaS) solution through various complementary services, each providing APIs for integration. OpenStack covers various aspects of networks, virtualization, operating systems, servers, etc., with the Neutron project providing network connectivity services for other OpenStack services. The core services are Network, Subnet, Router, and the extended Network services include FWaaS, LBaaS (Load balancing as a Service LB) and the like. In the LBaaS service of Openstack, since software functions are not as powerful as hardware devices, the software LBaaS functions are usually replaced by hardware device functions.
At present, data of LBaaS in an OpenStack environment can be issued to hardware equipment, so that load balancing is realized on the hardware equipment, and performance is improved. Since the LBaaS can only manage one LB (Load Balance) device, it is impossible to manage a plurality of LB devices. However, in a large-scale networking cloud environment, multiple LB devices may need to be deployed, so that the existing LBaaS architecture cannot meet the requirement for managing multiple LB devices, and there is a risk of a single-node fault when one LB device is managed.
Disclosure of Invention
In view of this, the present invention provides a method for LBaaS to manage multiple LB devices and a vehicle-mounted device to solve the problem that an LBaaS architecture in the prior art cannot manage multiple LB devices.
Specifically, the invention is realized by the following technical scheme:
the invention provides a method for managing a plurality of LB devices by LBaaS, which comprises the following steps:
creating a resource pool, and storing load balancing configuration information set by a user;
acquiring a device group identifier corresponding to a target LB device group selected by a user or automatically selected by the user, wherein the target LB device group comprises at least one LB device;
searching attribute information of an LB device group corresponding to the device group identification in a database;
and sending the attribute information and the load balancing configuration information to the target LB device group so as to enable the target LB device group to provide load balancing service.
As an embodiment, the method further comprises:
during initialization, loading a configuration file, wherein the configuration file comprises attribute information of each LB device group;
and updating the corresponding relation between the LB equipment group and the equipment group identification stored in the database according to the configuration file.
As an embodiment, updating, according to the configuration file, the correspondence between the LB device group and the device group identifier stored in the database includes:
traversing LB device groups in the configuration file;
if the LB device group in the configuration file does not have a matched LB device group in the database, adding the LB device group into the database and distributing a device group identifier;
if the LB device group in the configuration file has a matched LB device group in the database and the attribute information is different, updating the data information of the LB device group in the configuration file into the database;
and if the LB device group in the database does not have a matched LB device group in the configuration file, deleting the LB device group in the database.
As an embodiment, the issuing the attribute information and the load balancing configuration information to the target LB device group to enable the target LB device group to provide a load balancing service includes:
when the LB device group comprises a main LB device and a standby LB device;
and issuing the attribute information and the load balancing configuration information to the target LB device group so as to provide load balancing service when the main LB device is normal and provide load balancing service by the standby LB device when the main LB device is abnormal.
As one embodiment, automatically selecting a target LB device group includes:
collecting the load capacity of each LB device group from the database;
setting the priority of each LB device group according to the load capacity;
the target LB device group is selected according to the priority.
Based on the same conception, the invention also provides a device for managing a plurality of LB equipment by LBaaS, which comprises the following components:
the creating unit is used for creating a resource pool and storing the load balancing configuration information set by the user;
the device comprises an acquisition unit, a storage unit and a processing unit, wherein the acquisition unit is used for acquiring a device group identifier corresponding to a target LB device group selected by a user or automatically selected by the user, and the target LB device group comprises at least one LB device;
the searching unit is used for searching the attribute information of the LB device group corresponding to the device group identification in a database;
and the issuing unit is used for issuing the attribute information and the load balancing configuration information to the target LB device group so as to enable the target LB device group to provide load balancing service.
As an embodiment, the apparatus further comprises:
the initialization unit is used for loading a configuration file during initialization, wherein the configuration file comprises attribute information of each LB device group; and updating the corresponding relation between the LB equipment group and the equipment group identification stored in the database according to the configuration file.
As an embodiment, the initialization unit is specifically configured to traverse an LB device group in a configuration file; if the LB device group in the configuration file does not have a matched LB device group in the database, adding the LB device group into the database and distributing a device group identifier; if the LB device group in the configuration file has a matched LB device group in the database and the attribute information is different, updating the data information of the LB device group in the configuration file into the database; and if the LB device group in the database does not have a matched LB device group in the configuration file, deleting the LB device group in the database.
As an embodiment, the issuing unit is specifically configured to, when the LB device group includes a primary LB device and a standby LB device; and issuing the attribute information and the load balancing configuration information to the target LB device group so as to provide load balancing service when the main LB device is normal and provide load balancing service by the standby LB device when the main LB device is abnormal.
As an embodiment, the obtaining unit is specifically configured to collect load capacity of each LB device group from the database; setting the priority of each LB device group according to the load capacity; the target LB device group is selected according to the priority.
Based on the same concept, the invention also provides computer equipment, which comprises a memory, a processor, a communication interface and a communication bus;
the memory, the processor and the communication interface are communicated with each other through the communication bus;
the memory is used for storing a computer program;
the processor is configured to execute the computer program stored in the memory, and when the processor executes the computer program, the processor implements any step of the method for managing the plurality of LB devices by the LBaaS.
Based on the same concept, the present invention further provides a computer-readable storage medium having a computer program stored therein, which when executed by a processor implements any of the steps of the method for LBaaS to manage multiple LB devices.
Therefore, the invention can store the load balancing configuration information set by the user by establishing the resource pool, acquire the device group identifier corresponding to the target LB device group selected by the user or automatically selected, then search the attribute information of the LB device group corresponding to the device group identifier in the database, and finally issue the attribute information and the load balancing configuration information to the target LB device group, so that the target LB device group provides the load balancing service. Compared with the prior art that only one LB device can be managed by one LBaaS, the invention can provide a plurality of LB device group resources for users to select, and sends corresponding configuration according to the target LB device group selected by the users, thereby realizing that one LBaaS can simultaneously manage a plurality of LB devices, and further improving the practicability and stability of the system.
Drawings
Fig. 1 is a process flow diagram of a method for LBaaS management of multiple LB devices in an exemplary embodiment of the invention;
FIG. 2 is a schematic diagram of an LB device group according to an exemplary embodiment of the present invention;
FIG. 3 is a logical block diagram of an apparatus for managing multiple LB devices via an LBaaS in an exemplary embodiment of the present invention;
FIG. 4 is a logical block diagram of a computer device in an exemplary embodiment of the invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In order to solve the problems in the prior art, the present invention may store load balancing configuration information set by a user by creating a resource pool, and obtain a device group identifier corresponding to a target LB device group selected by the user or automatically selected, then search for attribute information of the LB device group corresponding to the device group identifier in a database, and finally issue the attribute information and the load balancing configuration information to the target LB device group, so that the target LB device group provides load balancing service. Compared with the prior art that only one LB device can be managed by one LBaaS, the invention can provide a plurality of LB device group resources for users to select, and sends corresponding configuration according to the target LB device group selected by the users, thereby realizing that one LBaaS can simultaneously manage a plurality of LB devices, and further improving the practicability and stability of the system.
Referring to fig. 1, a flowchart of a method for LBaaS to manage multiple LB devices in an exemplary embodiment of the present invention is shown, where the method includes:
in this embodiment, the LBaaS architecture is improved, so that a plurality of LB device groups can be managed.
As an embodiment, before initialization, an operation and maintenance person may create a configuration file, such as an lbas _ device _ resource.ini file, according to a plurality of LB device groups currently set, where the configuration file includes attribute information of each LB device group, such as information of IP, username, password, priority, and the like of the LB device group. In the openstack database, a database lbaas _ device _ resource for storing LB device group information may be newly created, a device group identifier device may be added to the database through an extension field for distinguishing different LB device groups, and the database records a mapping relationship between the LB device group and a device group identifier corresponding to the LB device group identifier device.
When the LBaaS is initialized, the Agent may load a configuration file, and update the corresponding relationship between the LB device group and the device group identifier stored in the database according to the configuration file. Specifically, by reading the attribute information of each LB device group in the configuration file lbaas _ device _ resource.ini through traversal, if the LB device group in the configuration file does not have a matching LB device group in the database, the LB device group is added to the database and a device group identifier is assigned; if the LB device group in the configuration file has a matched LB device group in the database and the attribute information is different, updating the data information of the LB device group in the configuration file into the database; and if the LB device group in the database does not have a matched LB device group in the configuration file, deleting the LB device group in the database. Therefore, the related information of the LB device group in the database can be updated according to the configuration file corresponding to the current LB device group.
After initialization is completed, a user may log in OpenStack, and create a resource pool (pool, also referred to as a load balancing resource pool) in an LBaaS configuration interface, where a LB device identifier of the pool displayed in the configuration interface is listed in a list, a current latest LB device group device list may be displayed according to an initialized database, and the user may perform corresponding configuration according to a configuration will, and store related load balancing configuration information set by the user, such as a virtual service vip, a real service number, and a health monitoring health monitor, in the resource pool.
102, acquiring a device group identifier corresponding to a target LB device group selected by a user or automatically selected by the user, wherein the target LB device group comprises at least one LB device;
in this embodiment, a user may manually select a target LB device group according to a device identifier device list of the LB device group in the configuration interface or the system may automatically select the target LB device group for the user, where each LB device group includes at least one LB device. And writing the information of the selected target LB device group into a database table, and recording the corresponding relation between the configuration information in the pool and the target LB device group, wherein because one LBaaS service in the prior art can only be bound with one LB device, a user cannot select the LB device providing the LBaaS service according to the self business requirement, and because only one LB device is provided, the LB device has fixed configuration and does not have a configuration selection space in the prior art.
As an embodiment, when the system automatically selects the target LB device group, the method specifically includes collecting the load capacity of each LB device group from the database, setting the priority of each LB device group according to the load capacity, and then selecting the target LB device group according to the priority. For example, the LbaaS Agent may periodically collect the load capacity of the LB device group, with an interval of, for example, 5 s; and traversing and reading the attribute information of the LB device group, wherein the attribute information comprises resource information of the LB device group, such as a memory, a storage, a maximum concurrency residual number, a newly-built session number and the like, sequencing the load capacity of the LB device group according to the indexes, and setting a corresponding priority, wherein the larger the priority value is, the larger the load capacity is. And then, the Agent selects a corresponding LB device group to provide service for the user according to the priority of the load capacity.
After the target LB device group is determined, for example, device _ a, it may request to write data in plug into the database, and for the automatically selected target LB device group, the value equivalent to the device input by the user is null, then after one target LB device group is selected by the above automatic selection algorithm, it may write the identifier of the automatically selected target LB device group, for example, device _ B, into the database, and then display it back on the configuration interface of the LBaaS to notify the user of the information of the target LB device group.
103, searching attribute information of an LB device group corresponding to the device group identification in a database;
after the target LB device group is determined, for example, device _ a, the attribute information of the corresponding LB device group, such as information of IP, username, password, priority, etc., may be searched in the database according to the device group identifier, for example, device _ a.
And 104, sending the attribute information and the load balancing configuration information to the target LB device group so as to enable the target LB device group to provide load balancing service.
In this embodiment, the attribute information (e.g., IP, username, password, priority, etc.) and the load balancing configuration information (e.g., vip, number, and hierarchy, etc.) corresponding to the target LB device group may be sent to the target LB device group, so that the target LB device group provides the load balancing service.
It should be noted that, since the LB device group in this embodiment may include one or more LB devices, when the attribute information and the load balancing configuration information are issued, a specific implementation method is also different. Specifically, if the current LB device group includes one LB device, the attribute information and the load balancing configuration information may be directly issued to the LB device, and the LB device executes a load balancing service; if the LB device group comprises a plurality of LB devices, for example, a main LB device and a standby LB device; the attribute information and the load balancing configuration information may be issued to the target LB device group, so that the load balancing service is provided when the primary LB device is normal, and the load balancing service is provided by the standby LB device when the primary LB device is abnormal.
For example, the present invention may configure an LB device group according to the architecture shown in fig. 2, where a core switch is connected to a plurality of LB device groups, such as LB device group 01, LB device group 02, and LB device group 03, where each LB device group includes two LB devices, that is, the LB device group 01 manages two LB devices identified as device a and device B, the LB device group 02 manages two LB devices identified as device C and device D, and the LB device group 03 manages two LB devices identified as device E and device F, where one LB device is used to manage public IP addresses of the two LB devices, that is, a main LB device, and the other LB device is a standby LB device. The invention can provide load balancing service by forming the LB equipment group by one main equipment and one standby equipment, thereby avoiding the problem of single point failure and improving the stability of the system.
Based on the same concept, the present disclosure further provides a device for LBaaS to manage multiple LB devices, which may be implemented by software, or implemented by hardware, or implemented by a combination of hardware and software. Taking a software implementation as an example, the apparatus for LBaaS managing multiple LB devices of the present disclosure is a logical apparatus, and is implemented by reading corresponding computer program instructions in a memory by a CPU of the apparatus where the apparatus is located and then running the computer program instructions.
Referring to fig. 3, an apparatus 300 for LBaaS management of multiple LB devices in an exemplary embodiment of the disclosure includes
A creating unit 301, configured to create a resource pool, and store load balancing configuration information set by a user;
an obtaining unit 302, configured to obtain a device group identifier corresponding to a target LB device group selected by a user or automatically selected by the user, where the target LB device group includes at least one LB device;
a searching unit 303, configured to search, in a database, attribute information of an LB device group corresponding to the device group identifier;
the issuing unit 304 is configured to issue the attribute information and the load balancing configuration information to the target LB device group, so that the target LB device group provides a load balancing service.
As an embodiment, the apparatus further comprises:
an initialization unit 305, configured to load a configuration file at initialization, where the configuration file includes attribute information of each LB device group; and updating the corresponding relation between the LB equipment group and the equipment group identification stored in the database according to the configuration file.
As an embodiment, the initialization unit 305 is specifically configured to traverse an LB device group in a configuration file; if the LB device group in the configuration file does not have a matched LB device group in the database, adding the LB device group into the database and distributing a device group identifier; if the LB device group in the configuration file has a matched LB device group in the database and the attribute information is different, updating the data information of the LB device group in the configuration file into the database; and if the LB device group in the database does not have a matched LB device group in the configuration file, deleting the LB device group in the database.
As an embodiment, the issuing unit 304 is specifically configured to, when the LB device group includes a primary LB device and a standby LB device; and issuing the attribute information and the load balancing configuration information to the target LB device group so as to provide load balancing service when the main LB device is normal and provide load balancing service by the standby LB device when the main LB device is abnormal.
As an embodiment, the obtaining unit 302 is specifically configured to collect load capacity of each LB device group from the database; setting the priority of each LB device group according to the load capacity; the target LB device group is selected according to the priority.
The implementation process of the functions and actions of each unit in the above device is specifically described in the implementation process of the corresponding step in the above method, and is not described herein again.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the application. One of ordinary skill in the art can understand and implement it without inventive effort.
Based on the same concept, the present invention also provides a computer apparatus, as shown in fig. 4, including a memory 41, a processor 42, a communication interface 43, and a communication bus 44;
wherein, the memory 41, the processor 42 and the communication interface 43 communicate with each other through the communication bus 44;
the memory 41 is used for storing computer programs;
the processor 42 is configured to execute the computer program stored in the memory 41, and when the processor 42 executes the computer program, any step of the method for managing multiple LB devices by LBaaS according to the embodiment of the present invention is implemented.
The present invention further provides a computer-readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the computer program implements any step of the method for LBaaS to manage multiple LB devices provided in the embodiments of the present invention.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for embodiments of the computer device and the computer-readable storage medium, since they are substantially similar to the method embodiments, the description is relatively simple, and in relation to what is described in the partial description of the method embodiments.
In summary, the present invention may store the load balancing configuration information set by the user by creating the resource pool, acquire the device group identifier corresponding to the target LB device group selected by the user or automatically selected, then search the attribute information of the LB device group corresponding to the device group identifier in the database, and finally issue the attribute information and the load balancing configuration information to the target LB device group, so that the target LB device group provides the load balancing service. Compared with the prior art that only one LB device can be managed by one LBaaS, the invention can provide a plurality of LB device group resources for users to select, and sends corresponding configuration according to the target LB device group selected by the users, thereby realizing that one LBaaS can simultaneously manage a plurality of LB devices, and further improving the practicability and stability of the system.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A method for managing a plurality of LB devices by LBaaS is characterized in that a plurality of LB device groups are managed by one LBaaS, wherein each LB device group comprises at least one LB device; the method comprises the following steps:
during initialization, loading a configuration file, wherein the configuration file comprises attribute information of each LB device group; traversing the LB device group in the configuration file; if the LB device group in the configuration file does not have a matched LB device group in the database, adding the LB device group in the configuration file into the database and distributing a device group identifier; if the LB device group in the configuration file has a matched LB device group in the database and the attribute information is different, updating the data information of the LB device group in the configuration file into the database; if the LB device group in the database does not have a matched LB device group in the configuration file, deleting the LB device group in the database;
creating a resource pool, and storing load balancing configuration information set by a user, wherein the load balancing configuration information comprises vip and a hierarchy;
collecting the load capacity of each LB device group from the database; setting the priority of each LB device group according to the load capacity of each LB device group; selecting a target LB device group from a plurality of LB device groups according to the priority, wherein the target LB device group comprises at least one LB device;
acquiring a device group identifier corresponding to the selected target LB device group;
searching attribute information of a target LB device group corresponding to the obtained device group identification in the database;
and sending the attribute information and the load balancing configuration information of the target LB device group to the target LB device group so as to enable the target LB device group to provide load balancing service.
2. The method of claim 1, wherein sending the attribute information and the load balancing configuration information of the target LB device group to enable the target LB device group to provide a load balancing service comprises:
when the target LB device group comprises the main LB device and the standby LB device;
and sending the attribute information and the load balancing configuration information of the target LB device group to the target LB device group so as to provide load balancing service when the main LB device is normal and provide load balancing service by the standby LB device when the main LB device is abnormal.
3. An apparatus for LBaaS management of multiple LB devices, wherein multiple LB device groups are managed by one LBaaS, wherein each LB device group comprises at least one LB device; the device comprises:
the initialization unit is used for loading a configuration file during initialization, wherein the configuration file comprises attribute information of each LB device group; traversing the LB device group in the configuration file; if the LB device group in the configuration file does not have a matched LB device group in the database, adding the LB device group in the configuration file into the database and distributing a device group identifier; if the LB device group in the configuration file has a matched LB device group in the database and the attribute information is different, updating the data information of the LB device group in the configuration file into the database; if the LB device group in the database does not have a matched LB device group in the configuration file, deleting the LB device group in the database;
the system comprises a creating unit, a resource pool creating unit and a resource pool storing unit, wherein the resource pool storing unit is used for storing load balancing configuration information set by a user, and the load balancing configuration information comprises vip and a hierarchy;
the acquisition unit is used for collecting the load capacity of each LB device group from the database; setting the priority of each LB device group according to the load capacity of each LB device group; selecting a target LB device group from a plurality of LB device groups according to the priority, wherein the target LB device group comprises at least one LB device; acquiring a device group identifier corresponding to the selected target LB device group;
the searching unit is used for searching the attribute information of the target LB device group corresponding to the obtained device group identification in the database;
and the issuing unit is used for issuing the attribute information of the target LB device group and the load balancing configuration information to the target LB device group so as to enable the target LB device group to provide load balancing service.
4. The apparatus of claim 3,
the issuing unit is specifically configured to, when the target LB device group includes the primary LB device and the standby LB device; and sending the attribute information and the load balancing configuration information of the target LB device group to the target LB device group so as to provide load balancing service when the main LB device is normal and provide load balancing service by the standby LB device when the main LB device is abnormal.
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